CORODUR® SP 223

Flux cored wires for Thermal Spray Application

EN ISO 14919 – 6 – 1,6 - 4

MATERIAL REVIEW

Good resistance against Sulfur corrosion and oxidation, e.g. in boiler environment. Coatings made by CORODUR SP 223 can be loaded up to 800°C. Coatings have high bond strength. Designed for arc spraying but may also be sprayed by wire- and high-velocity-wire-flame-spraying.

APPLICATION

Application as bond coat and top coat. Coatings on water walls, boiler tubes and super heater tubes in coal fired plants and black liquor boilers.

COMPOSITION (Weight-%)

Ni Cr
Bal. 50

Physical Properties of the coating

Hardness: 250 – 280 HV0,1
Melting point: ca. 1480 °C
Density: 5,9 g/dm3
Spray rate: 5 kg/h / 100 A
Wire consumption 1,0 kg/m2 / 0,1 mm

SPRAY PROCEDURE (Arc)

  Atomizing Air Pressure Nozzle Cap

Arc Load Volt Ampere
Stand off mm Coating thickness / pass mm / pass
Deposit Efficiency %
Standard 1,6 3,5 bar   27-29 300-350 150-170 0,125 80%

SALES UNIT

Coil "BS 300" = 15 kg "BS 450" = 25 kg Other dimensions on request
Wire Diameter 1,6 mm (1/16") 2,4 mm  

PDF Factsheet